Finding the Fourth Proportional to 7,529,412.86, 10,391,475.49 and 4,473,627.11
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Solution
The fourth proportional to 7,529,412.86, 10,391,475.49 and 4,473,627.11 is: 6,174,131.68
Step by Step Solution
- Step 1: Write the proportion equation
7,529,412.86 : 10,391,475.49 = 4,473,627.11 : x - Step 2: Convert to fraction form
7,529,412.86/10,391,475.49 = 4,473,627.11/x - Step 3: Cross multiply
7,529,412.86x = 10,391,475.49 × 4,473,627.11 - Step 4: Simplify right side
7,529,412.86x = 46,487,586,464,964.54 - Step 5: Solve for x
x = 46,487,586,464,964.54/7,529,412.86 - Step 6: Final answer
x = 6,174,131.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.